4-digit password safeguard before the access of control, password can be changed;Delayed power on/power off function included, define 10 minutes as a time span, the delayed time can be set within 24 hours;

Reboot function included, can interrupt power supply and then resume it after 15 seconds interval;

Can check power supply's real time status from long distance;

"Hook off" ring time can be changed, no influence to other telephonic device, the